GETCO Exam Paper (30-11-2008) In a dry type transformer, accumulation of dust on the windings and core is likely to cause reduction in heat dissipation short circuiting of secondary winding short circuiting of primary winding corrosion of core material reduction in heat dissipation short circuiting of secondary winding short circuiting of primary winding corrosion of core material ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Transmission efficiency increases as voltage increases but power factor decreases voltage and power factor both decrease voltage decreases but power factor increases voltage and power factor both increase voltage increases but power factor decreases voltage and power factor both decrease voltage decreases but power factor increases voltage and power factor both increase ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) Which of the following connection of transformer will give the highest secondary voltage? star primary, delta secondary Delta primary, delta secondary Delta primary, star secondary star primary, star secondary star primary, delta secondary Delta primary, delta secondary Delta primary, star secondary star primary, star secondary ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) When a star delta transformer bank of three single phase transformers is to be used for step down transformation with line voltages of 23000 V and 2300 V, the ratio of transformation will be 17.2:1 10.0:1 12.1:1 5.8:1 17.2:1 10.0:1 12.1:1 5.8:1 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) On a long high voltage transmission line with heavy load, VAR compensation can be provided by using shunt inductive reactors series inductive reactors shunt capacitors series capacitors shunt inductive reactors series inductive reactors shunt capacitors series capacitors ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (30-11-2008) A material best suited for manufacturing of fuse wire is aluminium zinc copper silver aluminium zinc copper silver ANSWER DOWNLOAD EXAMIANS APP
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